(1) He is receiving plasmapheresis as part of his treatment for myasthenia .(2) Louise suffers from osteoporosis and myasthenia , a muscle weakness which means she needs to sleep for about four hours after every riding lesson.(3) Surgical removal of the thymus gland is performed in patients with a thymoma and can also help some other patients, especially those who develop myasthenia before the age of about 45.(4) Unlike myasthenia , however, it is associated with improved strength with repeated muscle activity.(5) Patients with myasthenia gravis typically present with weakness, developing with or aggravated by exertion.(6) Congenital myasthenia gravis is rare and can be excluded by maternal and neonatal history.(7) Doctors said a recent checkup indicated he was suffering from an auto-immune disorder called myasthenia gravis , symptoms of which began appearing at the end of last month.(8) It has been useful in treating autoimmune diseases such as myasthenia gravis .(9) The drug was first approved by the FDA as a treatment for myasthenia gravis , a chronic neuromuscular disease.